Chapter 5

Question 1

How can pesticides be harmful?

Answer 1

by doing the exact thing intended for the pest such as disrupting our nervous systems

Question 2

Define Risk

Answer 2

a pesticides potential to cause you harm
influenced by toxicity and exposure

Question 3

Define Toxicity

Answer 3

a measure of its ability to cause harm
a property of the active ingredients, concentration, and formulation

Question 4

Define Exposure

Answer 4

when you get pesticides in or on you
acute= one exposure
chronic= many exposures

Question 5

toxicity is independent of its source

Question 6

how does dose and time relate

Answer 6

the strength of the formulation and amount (dose) increases risk as it increases and the amount of times the person is exposed to the dose also increases the exposure

Question 7

Influences on why people differ in their susceptibility to toxins

Answer 7

Weight
Age -youngest and oldest
Gender
Health Conditions
Environment-exposure to other chemicals may increase susceptibility

Question 8

Four ways pesticides enter the body

Answer 8

Eyes- Absorbed through blood vessels, wear goggles to protect against overspray or splashing chemicals
Skin(dermal)- absorbed through skin into blood vessels, wear gloves and approved full body suit when handling or spraying pesticides to cover skin from exposure
Oral(ingestion)- absorbed through ingestion, comes from not washing hands and eating or touching mouth or pesticide drifting into mouth, cover mouth and wear gloves
Inhalation- from poor ventilation, wear a mask

Question 9

where on the label can you find precautions

Answer 9

in the precautionary statements

Question 10

how do other people become exposed

Answer 10

through eating pesticide covered food
inhaling fumes
touching treated surfaces